JP2008023940A - Washing apparatus for printer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a washing apparatus for a printer by which washing can easily be performed even there are a large number of rollers or the like. <P>SOLUTION: This washing apparatus for the printer is equipped with a movable frame 51 for washing, and roller washing means 52a to 58a, 52b to 58b, 52c to 58c, and 52d to 58d. In this case, the movable frame 51 for washing is arranged to be movable between a washing-time operating position for approaching pattern rollers 33a to 33d and a printing-time standing-by position for separating from the pattern rollers 33a to 33d. The roller washing means 52a to 58a, 52b to 58b, 52c to 58c, and 52d to 58d are supported by the movable frame 51 for washing so that they may be located in vicinities of respective pattern rollers 33a to 33d when the movable frame 51 for washing is located at the washing-time operating position. Then, a movable frame 39 for an inker is positioned at the washing-time standing-by position, and at the same time, the movable frame 51 for washing is positioned at the washing-time operating position, and the pattern rollers 33a to 33d are washed by the roller washing means 52a to 58a, 52b to 58b, 52c to 58c, and 52d to 58d and so forth. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a cleaning device for a printing press.

  As shown in FIG. 7, the intaglio printing machine, which is a printing machine, feeds the sheet 1 from the paper feeding device 10 onto the paper feeding table 21, transfers it to the transfer cylinder 23 by the swing device 22, and transfers the transfer cylinder 24. The ink is supplied from the ink fountains 34a to 34d to the intaglio cylinder 32 which is a plate cylinder through the fountain rollers 35a to 35d and the pattern rollers 33a to 33d. After removing excess ink from the intaglio cylinder 32 and transferring the ink to the sheet 1 held on the impression cylinder 31, the sheet 1 is subjected to multicolor printing (four-color printing), The sheet 1 is transferred from the impression cylinder 31 to the paper take-up cylinder 41 and is replaced with a claw hook of the chain 44, transported by the running of the chain 44 by the rotation of the sprockets 42 and 43, and discharged onto the paper discharge device 45. Like paper You have me.

JP 2005-059259 A

  In the intaglio printing press as described above, after the printing is completed, the movable frame 39 is moved, and the ink fountains 34a to 34d and the fountain rollers 35a to 35d supported by the movable frame 39 are separated from the pattern rollers 33a to 33d. As a result, there is a space between the scissors rollers 35a to 35d and the pattern rollers 33a to 33d, the operator enters the space, and the pattern rollers 33a to 33d are cleaned. It took a lot of time and labor and time.

  For this reason, it can be considered that the pattern rollers 33a to 33d and the like can be cleaned by disposing a washer near the pattern rollers 33a to 33d and the like. However, when a small number (three or less) of pattern rollers are arranged around the intaglio cylinder 32, a sufficient space can be secured between the adjacent pattern rollers. However, when there are a large number (four or more) of pattern rollers arranged around the intaglio cylinder 32, a sufficient space cannot be secured between the adjacent pattern rollers. It is very difficult to dispose a cleaner near the pattern roller.

  In view of the above, an object of the present invention is to provide a cleaning device for a printing press capable of facilitating the cleaning operation even when there are a large number of rollers or the like disposed around the plate cylinder. To do.

  In order to solve the above-described problems, a cleaning device for a printing press according to the present invention includes a plate cylinder, a plurality of rollers disposed along a circumferential direction of the plate cylinder, and an operation at the time of printing close to the rollers. A movable inker frame disposed so as to be movable between a position and a retreat position for cleaning away from the roller, and comes into contact with each of the rollers when the movable inker frame is located at the printing operation position. In a printing machine comprising a plurality of fountain rollers supported by the movable inker frame and a plurality of ink fountains supported by the movable inker frame, the cleaning operation position close to the rollers and the A movable cleaning frame disposed so as to be movable between a retreat position during printing and separated from the roller in a direction orthogonal to a moving direction of the movable inker frame; and the movable cleaning Roller cleaning means supported by the movable cleaning frame so that the frame is positioned in the vicinity of each of the rollers when the frame is positioned at the cleaning operation position, and the movable inker frame is at the cleaning retracted position. The movable cleaning frame is positioned at the cleaning operation position, and the roller is cleaned by the roller cleaning means.

  Further, the cleaning device for a printing press according to the present invention is the above-described cleaning device for a printing press, wherein the movable inker frame is positioned at the cleaning retracted position and the movable cleaning frame is positioned at the cleaning operating position. And further comprising a scissor roller cleaning means supported by the movable cleaning frame so as to be positioned in the vicinity of each of the scissors rollers, the movable inker frame being positioned at the retreat position during cleaning, and the movable cleaning A cleaning frame is positioned at the cleaning operation position, and the scissors roller is cleaned by the scissors roller cleaning means.

  According to the cleaning device for a printing press according to the present invention, the cleaning operation can be facilitated even if there are a large number of rollers or the like disposed around the plate cylinder.

[First embodiment]
1st Embodiment at the time of applying the washing | cleaning apparatus of the printing press which concerns on this invention to the washing | cleaning apparatus of an intaglio printing press is described based on FIGS. 1 is a schematic configuration diagram of an intaglio printing press, FIG. 2 is a schematic configuration diagram of a cleaning device of the intaglio printing press of FIG. 1, FIG. 3 is an operation explanatory diagram of the cleaning device of FIG. 2, and FIG. It is a perspective view of the washing | cleaning apparatus.

  As shown in FIG. 1, a base end side of a paper feeding table 21 is connected to a paper feeding device 10 that feeds sheets 1 that are stacked sheets one by one. A swing device 22 is provided on the front end side of the paper feed table 21 to deliver the sheet 1 to a gripper device (not shown) provided on the transfer drum 23.

  The transfer cylinder 23 is in contact with a transfer cylinder 24 having a gripping claw device (not shown). The transfer cylinder 23 transfers the sheet 1 held by the gripping claw device to the gripping claw device of the transfer cylinder 24. It is supposed to be handed over. The transfer cylinder 24 is in contact with the impression cylinder 31 so that the sheet 1 held by the holding claw device is transferred to a holding claw device (not shown) of the impression cylinder 31.

  An intaglio cylinder 32, which is a plate cylinder, is in contact with the impression cylinder 31 downstream of the transfer cylinder 24 in the rotational direction, and the contact position forms a printing point. Pattern rollers 33 a to 33 d that are four rollers are in contact with each other at a predetermined interval along the circumferential direction of the intaglio cylinder 32 on the downstream side in the rotation direction of the intaglio cylinder 32.

  As shown in FIG. 1, a wiping roller 37 that removes excess ink adhering to the intaglio cylinder is in contact with the intaglio cylinder 32 on the downstream side of the pattern roller 33d in the rotational direction. The lower side of the wiping roller 37 is immersed in a wiping tank 38 in which a wiping liquid is placed. A paper drum 41 is in contact with the impression cylinder 31 downstream of the intaglio cylinder 32 in the rotational direction, and the paper drum 41 includes sprockets 42 and 43 that are rotatably provided.

  A chain guide (not shown) is provided on the sprockets 42 and 43, and an endless chain 44 is wound thereon. A plurality of nail hooks (not shown) that receive the sheet 1 from the gripping claw device of the impression cylinder 31 are attached to the chain 44 at predetermined intervals along the running direction of the chain 44. Below the chain 44, a plurality of paper discharge devices 45 serving as stacking means are provided.

  1-4, on the pair of rails 39a laid along the running direction of the chain 44 (the horizontal direction along the radial direction of the pattern rollers 33a to 33d), the pattern roller A movable inker frame 39 that can move back and forth along the rail 39a between a printing operation position close to the peripheral surfaces of 33a to 33d and a cleaning retreat position that is separated from the peripheral surfaces of the pattern rollers 33a to 33d. They are arranged in pairs.

  Between the pair of movable inker frames 39 that form a pair, saddle rollers 35a to 35d that respectively contact the peripheral surfaces of the pattern rollers 33a to 33d when the movable inker frame 39 is located at the printing operation position. In addition to being supported, ink fountains 34a to 34d for supplying ink to the fountain rollers 35a to 35d, and swing rollers 36a to 36d respectively contacting the fountain rollers 35a to 35d are supported.

  Further, on the pair of rails 51a laid along the axial direction of the pattern rollers 33a to 33d (horizontal direction orthogonal to the traveling direction of the chain 44), the pattern rollers 33a to 33d are close to the peripheral surfaces. A movable cleaning frame 51 that can move forward and backward along the rail 51a is disposed between the cleaning operation position and the printing retreat position that is separated from the peripheral surfaces of the pattern rollers 33a to 33d. .

  Near the pattern rollers 33a to 33d between the pair of movable cleaning frames 51, the movable cleaning frame 51 is positioned in the vicinity of the pattern rollers 33a to 33d when the movable cleaning frame 51 is positioned at the cleaning operation position. Box-shaped casings 52a to 52d are pivotally supported via support shafts 53a to 53d so as to be able to swing around the same axis as that of the pattern rollers 33a to 33d.

  One end sides of swing arms 54a to 54d are fixedly connected to the support shafts 53a to 53d, respectively. On the other end side of these swing arms 54a to 54d, the distal end side of the air cylinders 55a to 55d supported on the proximal end side by the movable cleaning frame 51 is axially directed to the axial direction of the support shafts 53a to 53d. The connecting pins are swingably connected to each other via connecting pins.

  That is, when the air cylinders 55a to 55d are expanded and contracted, the support shafts 53a to 53d are swung through the swing arms 54a to 54d, respectively, and the openings of the casings 52a to 52d having a box shape are opened. The casings 52a to 52d are respectively switched so that the surface is switched between the cleaning operation position close to the peripheral surfaces of the pattern rollers 33a to 33d and the retreating position when printing separated from the peripheral surfaces of the pattern rollers 33a to 33d. Each can be swung.

  Inside the casings 52a to 52d, on both axial ends of the support shafts 53a to 53d, there are a pair of drive rollers 57a to 57d oriented in the direction perpendicular to the axial direction of the support shafts 53a to 53d. Each of the drive rollers 57a to 57d can be driven and rotated by a drive device (not shown) provided in each of the casings 52a to 52d.

  Endless type brush belts 58a to 58d are respectively wound around the pair of driving rollers 57a to 57d, and the brushed belts 58a to 58d are arranged such that the flocked portions are exposed to the outside from the opening surfaces of the casings 52a to 52d. Each is protruding. Inside the casings 52a to 52d, sprayers (not shown) for spraying the cleaning liquid onto the flocked portions of the brush belts 58a to 58d located in the casings 52a to 52d are provided.

  That is, when the driving device is operated, the driving rollers 57a to 57d are driven to rotate, and the brush belts 58a to 58d travel. When the sprayer is operated, the flocked portions of the brush belts 58a to 58d are driven. The cleaning liquid can be sprayed on the surface.

  In this embodiment, the casings 52a to 52d, the support shafts 53a to 53d, the swing arms 54a to 54d, the air cylinders 55a to 55d, the drive rollers 57a to 57d, the brush belts 58a to 58d, The driving device, the sprayer, and the like constitute roller cleaning means, and the roller cleaning means, the movable cleaning frame 51, and the like constitute a cleaning device.

  Next, the operation of this embodiment will be described.

  When printing is performed, first, the air cylinders 55a to 55d are operated so as to position the casings 52a to 52d in the retracted position during printing, and the casings 52a to 52d are swung, and the movable cleaning frame 51 is used. The movable cleaning frame 51 is retracted along the rail 51a so that the movable cleaning frame 51 is moved away from the peripheral surfaces of the pattern rollers 33a to 33d. The movable inker frame 39 is moved along the rail 39a so that the working frame 39 is positioned at the printing operation position, and the collar rollers 35a to 35d are brought close to the peripheral surfaces of the pattern rollers 33a to 33d. Make contact.

  When the sheet 1 is fed from the sheet feeding device 10 onto the sheet feeding table 21, delivered to the transfer cylinder 23 by the swing device 22, and delivered to the impression cylinder 31 through the transfer cylinder 24, the ink fountain is transferred. Ink is supplied to the intaglio cylinder 32 through the pattern rollers 33a to 33d from the rollers 34a to 34d and the saddle rollers 35a to 35d, and excess ink is removed from the intaglio cylinder 32 by the wiping roller 37 and held in the impression cylinder 31. The ink is transferred to the sheet 1, and four-color printing is performed on the sheet 1.

  The sheet 1 is transferred from the impression cylinder 31 to the paper take-up cylinder 41, is replaced with a hook 44 of the chain 44, is conveyed by the travel of the chain 44 by the rotation of the sprockets 42, 43, and is discharged. By discharging the sheet upward, intaglio printing can be performed on the sheet 1.

  When the intaglio printing performed in this way is finished, the movable inker frame 39 is moved out along the rail 39a so that the movable inker frame 39 is positioned at the retreat position during cleaning, and the pattern rollers 33a to 33d are moved. While moving the scissors rollers 35a to 35d away from the peripheral surface of the pattern roller 33a, the movable cleaning frame 51 is moved along the rail 51a so as to position the movable cleaning frame 51 at the cleaning operation position. The movable cleaning frame 51 is brought close to the peripheral surface of .about.33d, and the air cylinders 55a to 55d are operated so as to position the casings 52a to 52d at the cleaning operation positions, thereby swinging the casings 52a to 52d. Let the opening surfaces of the casings 52a to 52d be the pattern rollers 33a. It is opposed to 33d. Thereby, the flocked portions of the brush belts 58a to 58d abut against the peripheral surfaces of the pattern rollers 33a to 33d.

  Then, while rotating the pattern rollers 33a to 33d and operating the driving device and the sprayer to drive and rotate the driving rollers 57a to 57d to run the brush belts 58a to 58d, the brush belt 58a The pattern rollers 33a to 33d are cleaned in the circumferential direction and the entire axial direction by spraying the cleaning liquid on the hair transplantation part of ~ 58d.

  When the cleaning operation of the pattern rollers 33a to 33d is completed, the air cylinders 55a to 55d are operated so that the casings 52a to 52d are positioned at the retracted position during printing, and the casings 52a to 52d are swung. The opening surfaces of the casings 52a to 52d are separated from the peripheral surfaces of the pattern rollers 33a to 33d, the flocked portions of the brush belts 58a to 58d are separated from the peripheral surfaces of the pattern rollers 33a to 33d, and movable cleaning is performed. The movable cleaning frame 51 is retracted along the rail 51a so that the frame 51 is located at the retracted position during printing, and the movable cleaning frame 51 is separated from the peripheral surfaces of the pattern rollers 33a to 33d.

  Therefore, according to this embodiment, even if many (four) pattern rollers 33a to 33d are arranged around the intaglio cylinder 32, the pattern rollers 33a to 33d can be easily cleaned.

[Second Embodiment]
A second embodiment when the cleaning device for a printing press according to the present invention is applied to the cleaning device for an intaglio printing press will be described with reference to FIGS. FIG. 5 is a schematic configuration diagram of a cleaning device of an intaglio printing press, and FIG. 6 is a perspective view of the cleaning device of FIG. In addition, about the part similar to 1st embodiment mentioned above, by using the code | symbol similar to the code | symbol used in description of 1st embodiment mentioned above, in 1st embodiment mentioned above, A description overlapping with the description is omitted.

  As shown in FIGS. 5 and 6, the movable inker frame 39 is located at the cleaning retreat position near the side opposite to the side on the pattern rollers 33a to 33d side between the movable cleaning frames 51. In addition, when the movable cleaning frame 51 is located at the cleaning operation position, the casings 62a to 62d, which are box-shaped and positioned in the vicinity of the reed rollers 35a to 35d, are arranged in the axial direction of the reed rollers 35a to 35d. Are supported via support shafts 63a to 63d so that they can swing around the same axis.

  One end sides of the swing arms 64a to 64d are fixedly connected to the support shafts 63a to 63d, respectively. On the other end side of these swing arms 64a to 64d, the distal end side of the air cylinders 65a to 65d supported on the base end side by the movable cleaning frame 51 is axially directed to the axial direction of the support shafts 63a to 63d. The connecting pins are swingably connected to each other via connecting pins. Rubber cleaning blades 67a to 67d are attached to the peripheral edges of the openings of the casings 62a to 62d, respectively.

  That is, by operating the air cylinders 65a to 65d to expand and contract, the casings 62a to 62d are swung through the swing arms 64a to 64d and the support shafts 63a to 63d, respectively, and the cleaning blade 67a is moved. To 67d can be switched between a cleaning operation position that contacts the peripheral surfaces of the reed rollers 35a to 35d and a retreat position for printing that is separated from the peripheral surfaces of the reed rollers 35a to 35d. It is.

  Further, in the vicinity of the cleaning blades 67a to 67d between the movable cleaning frames 51, spray nozzles 68a to 68d for spraying the cleaning liquid toward the peripheral surfaces of the saddle rollers 35a to 35d are respectively attached.

  That is, this embodiment is further provided with the members 62a to 68a, 62b to 68b, 62c to 68c, 62d to 68d with respect to the movable cleaning frame 51 of the first embodiment described above. It is a thing.

  In the present embodiment, the casings 62a to 62d, the support shafts 63a to 63d, the swing arms 64a to 64d, the air cylinders 65a to 65d, the cleaning blades 67a to 67d, the spray nozzles 68a to 68d, and the like. , Constitutes a roller cleaning means.

  In this embodiment, intaglio printing can be performed on the sheet 1 by operating in the same manner as in the first embodiment described above.

  Then, after the intaglio printing is completed, the movable inker frame 39 is moved out along the rail 39a so that the movable inker frame 39 is positioned at the cleaning retreat position as in the case of the first embodiment described above. On the other hand, after moving the movable cleaning frame 51 along the rail 51a so that the movable cleaning frame 51 is positioned at the cleaning operation position, the flocked portions of the brush belts 58a to 58d are moved to the pattern roller 33a. The air cylinders 55a to 55d are operated so as to be positioned at the cleaning operation position where they are brought into contact with the peripheral surface of .about.33d, and the cleaning blades 67a to 67d are brought into contact with the peripheral surfaces of the saddle rollers 35a to 35d. The air cylinders 65a to 65d are operated so as to be positioned at the hour operating position.

  Subsequently, as in the case of the first embodiment described above, the pattern rollers 33a to 33d are rotated and the driving device and the sprayer are operated to drive and rotate the driving rollers 57a to 57d. While the brush belts 58a to 58d are running, the pattern rollers 33a to 33d are cleaned in the circumferential direction and the entire axial direction by spraying a cleaning liquid onto the flocked portions of the brush belts 58a to 58d. -35d is rotated, and the cleaning liquid is sprayed from the spray nozzles 68a-68d, and the cleaning liquid is sprayed on the peripheral surfaces of the vertical rollers 35a-35d, so that the vertical rollers 35a-35d are moved in the circumferential direction and the entire axial direction. Washed.

  After finishing the cleaning work of the pattern rollers 33a to 33d and the eyelid rollers 35a to 35d in this manner, the brushed portions of the brush belts 58a to 58d are placed on the pattern roller 33a as in the case of the first embodiment described above. The air cylinders 55a to 55d are operated so as to be positioned at the printing retreat position to be separated from the peripheral surface of ~ 33d, while the cleaning blades 67a to 67d are retracted from the peripheral surface of the reed rollers 35a to 35d. After the air cylinders 65a to 65d are operated so as to be positioned, the movable cleaning frame 51 is positioned so that the movable cleaning frame 51 is positioned at the retreat position during printing, as in the case of the first embodiment described above. The working frame 51 is retracted along the rail 51a.

  That is, in the first embodiment described above, the pattern rollers 33a to 33d can be cleaned, but in this embodiment, not only the pattern rollers 33a to 33d but also the scissors rollers 35a to 35d can be cleaned. It was.

  Therefore, according to the present embodiment, as in the case of the first embodiment described above, even if a large number (four) of pattern rollers 33a to 33d are disposed around the intaglio cylinder 32, the pattern rollers The cleaning of 33a to 33d can be easily performed, and the scissors rollers 35a to 35d corresponding to the pattern rollers 33a to 33d can also be cleaned together, thereby further facilitating the cleaning operation. be able to.

  The cleaning device for a printing press according to the present invention can be used in the printing industry extremely beneficially because the cleaning operation can be facilitated even if there are a large number of rollers disposed around the plate cylinder. be able to.

It is a schematic block diagram of the intaglio printing machine of 1st embodiment at the time of applying the washing apparatus of the printing press which concerns on this invention to the cleaning apparatus of an intaglio printing press. It is a schematic block diagram of the washing | cleaning apparatus of the intaglio printing machine of FIG. It is action | operation explanatory drawing of the washing | cleaning apparatus of FIG. It is a perspective view of the washing | cleaning apparatus of FIG. It is a schematic block diagram of the cleaning apparatus of 2nd embodiment at the time of applying the cleaning apparatus of the printing press which concerns on this invention to the cleaning apparatus of an intaglio printing press. It is a perspective view of the washing | cleaning apparatus of FIG. It is a schematic block diagram of an example of the conventional intaglio printing machine.

Explanation of symbols

1 sheet 10 paper feeding device 21 paper feeding table 22 swing device 23, 24 transfer cylinder 31 impression cylinder 32 intaglio cylinder 33a-33d ink form roller 34a-34d ink fountain 35a-35d 壷 roller 36a-36d swing roller 37 wiping roller 38 Wiping tank 39 Movable inker frame 39a Rail 41 Paper drum 42, 43 Sprocket 44 Chain 45 Paper discharge device 51 Movable cleaning frame 51a Rail 52a-52d Casing 53a-53d Support shaft 54a-54d Swing arm 55a-55d Air Cylinder 57a-57d Driving roller 58a-58d Brush belt 62a-62d Casing 63a-63d Support shaft 64a-64d Swing arm 65a-65d Air cylinder 67a-67d Cleaning blade 68a-6 8d spray nozzle

Claims (2)

Plate cylinder,
A plurality of rollers disposed along a circumferential direction of the plate cylinder;
A movable inker frame disposed so as to be movable between a printing operation position close to the roller and a cleaning retreat position separated from the roller;
A plurality of scissors rollers supported by the movable inker frame so as to come into contact with the rollers when the movable inker frame is located at the printing operation position;
In a printing machine comprising a plurality of ink fountains supported by the movable inker frame,
A movable cleaning frame disposed so as to be movable between a cleaning operation position close to the roller and a printing retreat position separated from the roller in a direction orthogonal to a moving direction of the movable inker frame; ,
Roller cleaning means supported by the movable cleaning frame so that the movable cleaning frame is positioned in the vicinity of each of the rollers when the movable cleaning frame is positioned at the cleaning operation position;
The movable inker frame is positioned at the retreating position during cleaning, the movable cleaning frame is positioned at the cleaning operating position, and the roller is cleaned by the roller cleaning means. Cleaning device. In claim 1,
The movable inker frame is supported by the movable cleaning frame so that the movable inker frame is positioned in the retreat position during cleaning and is positioned in the vicinity of each of the scissors rollers when the movable cleaning frame is positioned in the operation position during cleaning. Further equipped with a straw roller cleaning means,
The movable inker frame is positioned at the retreat position during cleaning, the movable cleaning frame is positioned at the operation position during cleaning, and the reed roller is cleaned by the reed roller cleaning means. Machine cleaning equipment.

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